<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
	    <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['product:directory:add']"
        >新增</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="directoryList"
      row-key="id"
      default-expand-all
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column label="名称" align="center" prop="name" />
      <el-table-column label="图标" align="center" prop="icon" />
      <el-table-column label="排序" align="center" prop="weight" />
      <el-table-column label="状态" align="center" prop="status" :formatter="statusFormat" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['product:directory:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['product:directory:add']"
          >新增</el-button>
          <el-button
            v-if="scope.row.parentId != 0"
 	    size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['product:directory:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改店铺目录对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">

        <el-form-item label="父ID" prop="parentId">
          <treeselect v-model="form.parentId" :options="directoryOptions" :normalizer="normalizer" placeholder="请选择父ID" />
        </el-form-item>

        <el-form-item label="名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入名称" />
        </el-form-item>

        <el-form-item label="图标" prop="icon">
          <el-input v-model="form.icon" placeholder="请输入图标" />
        </el-form-item>

        <el-form-item label="深度" prop="deep">
          <el-input v-model="form.deep" placeholder="请输入深度" />
        </el-form-item>

        <el-form-item label="排序" prop="weight">
          <el-input v-model="form.weight" placeholder="请输入排序" />
        </el-form-item>

        <el-form-item label="状态" prop="status">
          <el-select v-model="form.status" placeholder="请选择状态">
            <el-option
              v-for="dict in statusOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            ></el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="路径" prop="path">
          <el-input v-model="form.path" placeholder="请输入路径" />
        </el-form-item>

        <el-form-item label="叶节点" prop="child">
          <el-select v-model="form.child" placeholder="请选择叶节点">
            <el-option
              v-for="dict in childOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listDirectory, getDirectory, delDirectory, addDirectory, updateDirectory, exportDirectory } from "@/api/product/directory";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";

export default {
  name: "Directory",
  components: {
    Treeselect
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 店铺目录表格数据
      directoryList: [],
      // 店铺目录树选项
      directoryOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 状态字典
      statusOptions: [],
      // 叶节点字典
      childOptions: [],
      // 查询参数
      queryParams: {
        name: null,
        status: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        weight: [
          { required: true, message: "排序不能为空", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("directory.n_status").then(response => {
      this.statusOptions = response.data;
    });
    this.getDicts("directory.n_child").then(response => {
      this.childOptions = response.data;
    });
  },
  methods: {
    /** 查询店铺目录列表 */
    getList() {
      this.loading = true;
      listDirectory(this.queryParams).then(response => {
        this.directoryList = this.handleTree(response.data, "id", "parentId");
        this.loading = false;
      });
    },
    /** 转换店铺目录数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children
      };
    },
                                        // 状态字典翻译
    statusFormat(row, column) {
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 叶节点字典翻译
    childFormat(row, column) {
      return this.selectDictLabel(this.childOptions, row.child);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        parentId: null,
        name: null,
        icon: null,
        deep: null,
        weight: null,
        status: null,
        path: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        child: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      if (row != undefined) {
          this.form.parentId = row.id;
      }
      this.open = true;
      this.title = "添加店铺目录";
      listDirectory().then(response => {
          this.directoryOptions = this.handleTree(response.data, "id");
      });
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
                                  getDirectory(row.id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改店铺目录";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateDirectory(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addDirectory(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm('是否确认删除店铺目录编号为"' + row.name + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delDirectory(row.id);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
    }
  }
};
</script>
